1 files changed, 110 insertions, 0 deletions
diff --git a/contrib/gcclibs/libdecnumber/decLibrary.c b/contrib/gcclibs/libdecnumber/decLibrary.c
new file mode 100644
index 0000000..f7bece3
--- /dev/null
+++ b/contrib/gcclibs/libdecnumber/decLibrary.c
@@ -0,0 +1,110 @@
+/* Temporary library support for decimal floating point.
+   Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   In addition to the permissions in the GNU General Public License,
+   the Free Software Foundation gives you unlimited permission to link
+   the compiled version of this file into combinations with other
+   programs, and to distribute those combinations without any
+   restriction coming from the use of this file.  (The General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into a combine executable.)
+
+   GCC is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+   License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include "config.h"
+#include "decContext.h"
+#include "decimal128.h"
+#include "decimal64.h"
+#include "decimal32.h"
+
+void __host_to_ieee_32 (_Decimal32, decimal32 *);
+void __host_to_ieee_64 (_Decimal64, decimal64 *);
+void __host_to_ieee_128 (_Decimal128, decimal128 *);
+
+extern int isinfd32 (_Decimal32);
+extern int isinfd64 (_Decimal64);
+extern int isinfd128 (_Decimal128);
+extern void __dfp_enable_traps (void);
+extern void __dfp_raise (int exception __attribute__ ((unused)));
+
+int
+isinfd32 (_Decimal32 arg)
+{
+  decNumber dn;
+  decimal32 d32;
+
+  __host_to_ieee_32 (arg, &d32);
+  decimal32ToNumber (&d32, &dn);
+  return (decNumberIsInfinite (&dn));
+}
+
+int
+isinfd64 (_Decimal64 arg)
+{
+  decNumber dn;
+  decimal64 d64;
+
+  __host_to_ieee_64 (arg, &d64);
+  decimal64ToNumber (&d64, &dn);
+  return (decNumberIsInfinite (&dn));
+}
+
+int
+isinfd128 (_Decimal128 arg)
+{
+  decNumber dn;
+  decimal128 d128;
+
+  __host_to_ieee_128 (arg, &d128);
+  decimal128ToNumber (&d128, &dn);
+  return (decNumberIsInfinite (&dn));
+}
+
+int __dfp_traps;
+
+void
+__dfp_enable_traps (void)
+{
+  __dfp_traps = 1;
+}
+
+void
+__dfp_raise (int exception __attribute__ ((unused)))
+{
+  raise (SIGFPE);
+}
+
+uint32_t
+__dec_byte_swap (uint32_t in)
+{
+  uint32_t out = 0;
+  unsigned char *p = (unsigned char *) &out;
+  union {
+    uint32_t i;
+    unsigned char b[4];
+  } u;
+
+  u.i = in;
+  p[0] = u.b[3];
+  p[1] = u.b[2];
+  p[2] = u.b[1];
+  p[3] = u.b[0];
+
+  return out;
+}